GM Service Manual Online
For 1990-2009 cars only

To overhaul the engine, follow the sequence below.

  1. Draining Fluids and Oil Filter Removal
  2. Engine Flywheel Removal
  3. Drive Belt Tensioner Removal
  4. Drive Belt Tensioner Bracket Removal
  5. Drive Belt Idler Pulley Bracket Removal
  6. Oil Level Indicator and Tube Removal
  7. Water Outlet Removal
  8. Water Outlet Removal
  9. Water Pump Removal
  10. Supercharger Removal
  11. Intake Manifold Removal
  12. Intake Manifold Removal
  13. Intake Manifold Removal
  14. Exhaust Crossover Removal
  15. Exhaust Manifold Removal
  16. Exhaust Manifold Removal
  17. Valve Rocker Arm Cover Removal
  18. Valve Rocker Arm Cover Removal
  19. Valve Rocker Arm and Push Rod Removal
  20. Cylinder Head Removal
  21. Valve Lifter Removal
  22. Crankshaft Balancer Removal
  23. Crankshaft Front Oil Seal Removal
  24. Engine Front Cover Removal
  25. Oil Filter Adapter Removal
  26. Oil Pump Cover and Gear Set Removal
  27. Timing Chain and Sprockets Removal
  28. Timing Chain and Sprockets Removal
  29. Camshaft Removal
  30. Balance Shaft Removal
  31. Crankshaft Rear Oil Seal Removal
  32. Crankshaft Rear Oil Seal and Housing Removal
  33. Oil Pan Removal
  34. Oil Pump Suction Pipe and Screen Assembly Removal
  35. Piston, Connecting Rod, and Bearing Removal
  36. Crankshaft and Bearing Removal
  37. Engine Block Plug Removal
  38. Engine Block Cleaning and Inspection
  39. Cylinder Boring and Honing
  40. Crankshaft and Bearing Cleaning and Inspection
  41. Crankshaft Balancer Cleaning and Inspection
  42. Engine Flywheel Cleaning and Inspection
  43. Piston and Connecting Rod Disassemble
  44. Piston, Connecting Rod, and Bearing Cleaning and Inspection
  45. Piston Selection
  46. Piston and Connecting Rod Assemble
  47. Camshaft Bearing Removal
  48. Camshaft and Bearings Cleaning and Inspection
  49. Camshaft Bearing Installation
  50. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  51. Camshaft Timing Chain and Sprocket Cleaning and Inspection
  52. Valve Rocker Arm and Push Rod Cleaning and Inspection
  53. Valve Lifters and Guides Cleaning and Inspection
  54. Cylinder Head Disassemble
  55. Cylinder Head Cleaning and Inspection
  56. Valve Guide Reaming, and Valve and Seat Grinding
  57. Cylinder Head Assemble
  58. Oil Pump Cleaning and Inspection
  59. Valve Rocker Arm Cover Cleaning and Inspection
  60. Oil Pan Cleaning and Inspection
  61. Intake Manifold Cleaning and Inspection
  62. Intake Manifold Cleaning and Inspection
  63. Intake Manifold Cleaning and Inspection
  64. Exhaust Manifold Cleaning and Inspection
  65. Water Pump Cleaning and Inspection
  66. Engine Front Cover Cleaning and Inspection
  67. Balance Shaft Cleaning and Inspection
  68. Balance Shaft Bearing and/or Bushing Removal
  69. Balance Shaft Bearing and/or Bushing Installation
  70. Service Prior to Assembly
  71. Engine Block Plug Installation
  72. Crankshaft and Bearing Installation
  73. Piston, Connecting Rod, and Bearing Installation
  74. Oil Pump Suction Pipe and Screen Assembly Installation
  75. Oil Pan Installation
  76. Camshaft Installation
  77. Balance Shaft Installation
  78. Crankshaft Rear Oil Seal and Housing Installation
  79. Crankshaft Rear Oil Seal Installation
  80. Timing Chain and Sprockets Installation
  81. Timing Chain and Sprockets Installation
  82. Oil Pump Cover and Gear Set Installation
  83. Oil Filter Adapter Installation
  84. Engine Front Cover Installation
  85. Crankshaft Front Oil Seal Installation
  86. Crankshaft Balancer Installation
  87. Valve Lifter Installation
  88. Cylinder Head Installation
  89. Valve Rocker Arm and Push Rod Installation
  90. Valve Rocker Arm Cover Installation
  91. Valve Rocker Arm Cover Installation
  92. Exhaust Manifold Installation
  93. Exhaust Manifold Installation
  94. Exhaust Crossover Installation
  95. Intake Manifold Installation
  96. Intake Manifold Installation
  97. Intake Manifold Installation
  98. Supercharger Installation
  99. Water Pump Installation
  100. Water Outlet Installation
  101. Water Outlet Installation
  102. Oil Level Indicator and Tube Installation
  103. Drive Belt Idler Pulley Bracket Installation
  104. Drive Belt Tensioner Bracket Installation
  105. Drive Belt Tensioner Installation
  106. Engine Flywheel Installation